Quantum information in loop quantum gravity

Details Quantum information in loop quantum gravity Quantum information in loop quantum gravity

2005-12-12

arxiv.org/abs/gr-qc/0512072v2

J.Phys.Conf.Ser. 33 (2006) 469-474

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTex, 5 pages. Proceedings of QG'05, Cala Gonone, 2005 Relations of the coarse-graining and partial tracing are clarified, a

Scientific paper

A coarse-graining of spin networks is expressed in terms of partial tracing, thus allowing to use tools of quantum information theory. This is illustrated by the analysis of a simple black hole model, where the logarithmic correction of the Bekenstein-Hawking entropy is shown to be equal to the total amount of correlations on the horizon. Finally other applications of entanglement to quantum gravity are briefly discussed.

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